Home / 7,966.16-11,940.28-3,865.04

Finding the Fourth Proportional to 7,966.16, 11,940.28 and 3,865.04

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Solution

The fourth proportional to 7,966.16, 11,940.28 and 3,865.04 is: 5,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.16 : 11,940.28 = 3,865.04 : x
  2. Step 2: Convert to fraction form
    7,966.16/11,940.28 = 3,865.04/x
  3. Step 3: Cross multiply
    7,966.16x = 11,940.28 × 3,865.04
  4. Step 4: Simplify right side
    7,966.16x = 46,149,659.81
  5. Step 5: Solve for x
    x = 46,149,659.81/7,966.16
  6. Step 6: Final answer
    x = 5,793.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.